CN206611054U - Dual power supply distribution box - Google Patents
Dual power supply distribution box Download PDFInfo
- Publication number
- CN206611054U CN206611054U CN201720282900.9U CN201720282900U CN206611054U CN 206611054 U CN206611054 U CN 206611054U CN 201720282900 U CN201720282900 U CN 201720282900U CN 206611054 U CN206611054 U CN 206611054U
- Authority
- CN
- China
- Prior art keywords
- resistance
- power supply
- oxide
- metal
- electric capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model discloses a kind of dual power supply distribution box, including distribution box and host computer, MCU is provided with the distribution box, disconnecting switch, fuse combined electrical apparatus, A.C. contactor, breaker, thermal protector, double power supply automatic transfer switch, drive circuit and wireless data transfer module, drive circuit includes the first triode, first metal-oxide-semiconductor, second metal-oxide-semiconductor, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, first resistor, second resistance, 3rd resistor, 4th resistance, 5th resistance, 6th resistance, first power supply, second source, 3rd power supply, 4th power supply and the 5th power supply, one end of first resistor and one end of second resistance are all connected with voltage controling end, the other end of second resistance connects the first power supply, the other end of first resistor is connected with the base stage of the first triode.Implement dual power supply distribution box of the present utility model, have the advantages that：The safety and reliability of circuit is higher.
Description
Technical field
The utility model is related to distribution box field, more particularly to a kind of dual power supply distribution box.
Background technology
Distribution box be by electrical wiring requirement by switchgear, measuring instrumentss, protection electrical equipment and auxiliary equipment be assembled in envelope
Close or semiclosed metal safe in or screen width on, constitute low-tension distribution box.It can be connected during normal operation by manual or automatic switch
Or disjunction circuit.By protection electrical equipment cut-out circuit or alarm when failure or irregular operating.Operation can be shown by means of measuring instrumentss
In various parameters, some electric parameters can be also adjusted, to deviate normal operating conditions pointed out or sent signal.
Traditional distribution box lacks corresponding circuit protection function due to its circuit, causes the safety and reliability of circuit relatively low.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of circuit
The higher dual power supply distribution box of safety and reliability.
The utility model solves the technical scheme that its technical problem used：A kind of dual power supply distribution box is constructed, including
Be provided with distribution box and host computer, the distribution box MCU, disconnecting switch, fusing combined electrical apparatus, A.C. contactor, breaker,
Thermal protector, double power supply automatic transfer switch, drive circuit and wireless data transfer module, the disconnecting switch, fusing combination
Electrical equipment, A.C. contactor, breaker, thermal protector, double power supply automatic transfer switch and drive circuit are connected with the MCU,
The MCU is also connected by the wireless data transfer module with the host computer；
The drive circuit includes the first triode, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, the second electric capacity, the 3rd
Electric capacity, the 4th electric capacity, the 5th electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance,
First power supply, second source, the 3rd power supply, the 4th power supply and the 5th power supply, one end of the first resistor and second resistance
One end is all connected with voltage controling end, and the other end of the second resistance connects first power supply, the first resistor it is another
End is connected with the base stage of first triode, and the emitter stage of first triode is described by the 5th resistance eutral grounding
The colelctor electrode of first triode is connected with one end of the 3rd resistor and one end of the 4th resistance respectively by the 5th electric capacity
Connect, the other end of the 3rd resistor is connected with one end, one end of the 6th resistance and second source of first electric capacity respectively,
The other end of 4th resistance is connected with the other end of first electric capacity and the grid of the first metal-oxide-semiconductor respectively, and described first
The source electrode of metal-oxide-semiconductor is connected with the other end of the 6th resistance, first metal-oxide-semiconductor drain electrode respectively with second electric capacity
One end and the connection of the 3rd power supply, the other end of second electric capacity are connected with the grid of first metal-oxide-semiconductor；
The grid of second metal-oxide-semiconductor is connected with one end of the 4th resistance and one end of the 3rd electric capacity respectively, described
The source electrode of second metal-oxide-semiconductor is connected with the other end and the 4th power supply of the 3rd electric capacity respectively, the drain electrode point of second metal-oxide-semiconductor
One end not with the 5th power supply and the 4th electric capacity is connected, the other end of the 4th electric capacity and the grid of second metal-oxide-semiconductor
Pole is connected.
In dual power supply distribution box described in the utility model, the drive circuit also includes the 7th resistance, the described 7th
One end of resistance is connected with the other end of the 4th resistance, the other end of the 7th resistance and the grid of first metal-oxide-semiconductor
Pole is connected.
In dual power supply distribution box described in the utility model, the drive circuit also includes the 8th resistance, the described 8th
One end of resistance is connected with the drain electrode of first metal-oxide-semiconductor, the other end of the 8th resistance and one end of second electric capacity
Connection.
In dual power supply distribution box described in the utility model, the drive circuit also includes the 9th resistance, the described 9th
One end of resistance is connected with the 4th power supply, and the other end of the 9th resistance is connected with the source electrode of second metal-oxide-semiconductor.
In dual power supply distribution box described in the utility model, the drive circuit also includes the tenth resistance, the described tenth
One end of resistance is connected with one end of the 3rd electric capacity, the other end of the tenth resistance and the grid of second metal-oxide-semiconductor
Connection.
In dual power supply distribution box described in the utility model, first triode is NPN type triode, described first
Metal-oxide-semiconductor and the second metal-oxide-semiconductor are P-channel metal-oxide-semiconductor.
In dual power supply distribution box described in the utility model, the wireless data transfer module is bluetooth module, WIFI
Module, GPRS module, CDMA module or Zigbee module.
Implement dual power supply distribution box of the present utility model, have the advantages that：Due to provided with distribution box and host computer,
MCU, disconnecting switch, fusing combined electrical apparatus, A.C. contactor, breaker, thermal protector, dual power supply are provided with distribution box automatic
Change-over switch, drive circuit and wireless data transfer module, drive circuit include the first triode, the first metal-oxide-semiconductor, the 2nd MOS
Pipe, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, first resistor, second resistance, 3rd resistor,
Four resistance, the 5th resistance, the 6th resistance, the first power supply, second source, the 3rd power supply, the 4th power supply and the 5th power supply, the 5th electricity
Hold for preventing the interference between the first triode Q1 and the first metal-oxide-semiconductor or the second metal-oxide-semiconductor, the 5th resistance and the 6th resistance are with entering
Row overcurrent protection, therefore the safety and reliability of circuit is higher.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the utility model dual power supply distribution box one embodiment；
Fig. 2 is the circuit theory diagrams of drive circuit in the embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
In the utility model dual power supply distribution box embodiment, the structural representation of its dual power supply distribution box is as shown in Figure 1.
In Fig. 1, the dual power supply distribution box includes being provided with MCU11, disconnecting switch 12, fusing in distribution box 1 and host computer 2, distribution box
Combined electrical apparatus 13, A.C. contactor 14, breaker 15, thermal protector 16, double power supply automatic transfer switch 17, the and of drive circuit 18
Wireless data transfer module 19, wherein, disconnecting switch 12, fusing combined electrical apparatus 13, A.C. contactor 14, breaker 15, heat are protected
Shield device 16, double power supply automatic transfer switch 17 and drive circuit 18 are connected with MCU11, and MCU11 also passes through wireless data transmission
Module 19 is connected with host computer 2.Wireless data transfer module 19 can be bluetooth module, WIFI module, GPRS module, CDMA moulds
Block or Zigbee module etc..
Fig. 2 is the circuit theory diagrams of drive circuit in the present embodiment, in Fig. 2, drive circuit 18 include the first triode Q1,
First metal-oxide-semiconductor T1, the second metal-oxide-semiconductor T2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity
C5, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first power supply
VCC, second source VCC-A, the 3rd power supply VCC-B, the 4th power supply VCC-C and the 5th power supply VCC-D, wherein, first resistor R1
One end and second resistance R2 one end be all connected with voltage controling end POW_ON/OFF, second resistance R2 other end connection first
Power supply VCC, the first resistor R1 other end is connected with the first triode Q1 base stage, and the first triode Q1 emitter stage passes through
Five resistance R5 are grounded, and the first triode Q1 colelctor electrode is electric with 3rd resistor R3 one end and the 4th respectively by the 5th electric capacity C5
Hinder R4 one end connection, 3rd resistor R3 other end one end respectively with the first electric capacity C1, the 6th resistance R6 one end and the
Two power supply VCC-A connections, the other end and the first metal-oxide-semiconductor T1 grid of the 4th resistance R4 other end respectively with the first electric capacity C1
Connection, the first metal-oxide-semiconductor T1 source electrode is connected with the 6th resistance R6 other end, and the first metal-oxide-semiconductor T1 drain electrode is electric with second respectively
Hold C2 one end and the 3rd power supply VCC-B connections, the second electric capacity C2 other end is connected with the first metal-oxide-semiconductor T1 grid.
Second metal-oxide-semiconductor T2 grid is connected with the 4th resistance R4 one end and the 3rd electric capacity C3 one end respectively, the 2nd MOS
Pipe T2 source electrode is connected with the 3rd electric capacity the C3 other end and the 4th power supply VCC-C respectively, the second metal-oxide-semiconductor T2 drain electrode respectively with
5th power supply VCC-D and the 4th electric capacity C4 one end connection, the 4th electric capacity C4 other end and the second metal-oxide-semiconductor T2 grid connect
Connect.
Above-mentioned 5th electric capacity C5 is coupled capacitor, for preventing the first triode Q1 and the first metal-oxide-semiconductor T1 or the second metal-oxide-semiconductor
Interference between T2, the 5th resistance R5 and the 6th resistance R6 are current-limiting resistance, and the 5th resistance R5 is used for the first triode Q1
Emitter stage where branch road carry out overcurrent protection, the 6th resistance R6 be used for the branch road where the first metal-oxide-semiconductor T1 source electrode is entered
Row overcurrent protection, therefore the safety and reliability of circuit is higher.
It is noted that in the present embodiment, the first triode Q1 is NPN type triode, the first metal-oxide-semiconductor T1 and second
Metal-oxide-semiconductor T2 is P-channel metal-oxide-semiconductor.Certainly, in other cases of the present embodiment, the first triode Q1 can be positive-negative-positive
Triode, the first metal-oxide-semiconductor T1 and the second metal-oxide-semiconductor T2 can also be N-channel MOS pipe, but at this moment the structure of circuit is also corresponding
Change.
In the present embodiment, drive circuit 18 also includes the 7th resistance R7, and the 7th resistance R7 one end is with the 4th resistance R4's
The other end is connected, and the 7th resistance R7 other end is connected with the first metal-oxide-semiconductor T1 grid.7th resistance R7 is current-limiting resistance, is used
Branch road between the grid to the first electric capacity C1 and the first metal-oxide-semiconductor T1 carries out overcurrent protection, to further enhance the peace of circuit
Full property and reliability.
In the present embodiment, drive circuit 18 also includes the 8th resistance R8, and the 8th resistance R8 one end is with the first metal-oxide-semiconductor T1's
Drain electrode connection, the 8th resistance R8 other end is connected with the second electric capacity C2 one end.8th resistance R8 be current-limiting resistance, for pair
Branch road between second electric capacity C2 and the first metal-oxide-semiconductor T1 drain electrode carries out overcurrent protection, further to strengthen the safety of circuit
Property and reliability.
In the present embodiment, drive circuit 18 also includes the 9th resistance R9, the 9th resistance R9 one end and the 4th power supply VCC-C
Connection, the 9th resistance R9 other end is connected with the second metal-oxide-semiconductor T2 source electrode.9th resistance R9 is current-limiting resistance, for the
Branch road between three electric capacity C3 and the second metal-oxide-semiconductor T2 source electrode carries out overcurrent protection.
In the present embodiment, drive circuit 18 also includes the tenth resistance R10, the tenth resistance R10 one end and the 3rd electric capacity C3
One end connection, the tenth resistance R10 other end is connected with the second metal-oxide-semiconductor T2 grid.Tenth resistance R10 is current-limiting resistance,
Overcurrent protection is carried out for the branch road between the grid to the 3rd electric capacity C3 and the second metal-oxide-semiconductor T2.
In a word, in the present embodiment, due to being provided with coupled capacitor and current-limiting resistance in drive circuit 18, it can prevent interference from believing
Number, and overcurrent protection can be carried out, therefore the safety and reliability of circuit is higher.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of dual power supply distribution box, it is characterised in that including distribution box and host computer, be provided with the distribution box MCU, every
Leave pass, fusing combined electrical apparatus, A.C. contactor, breaker, thermal protector, double power supply automatic transfer switch, drive circuit and
Wireless data transfer module, the disconnecting switch, fusing combined electrical apparatus, A.C. contactor, breaker, thermal protector, dual power supply
Automatic change-over and drive circuit are connected with the MCU, the MCU also by the wireless data transfer module with it is described
Host computer is connected；
The drive circuit includes the first triode, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, the second electric capacity, the 3rd electricity
Appearance, the 4th electric capacity, the 5th electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance,
One power supply, second source, the 3rd power supply, the 4th power supply and the 5th power supply, one end of the first resistor and the one of second resistance
End is all connected with voltage controling end, and the other end of the second resistance connects first power supply, the other end of the first resistor
It is connected with the base stage of first triode, the emitter stage of first triode passes through the 5th resistance eutral grounding, described
The colelctor electrode of one triode is connected with one end of the 3rd resistor and one end of the 4th resistance respectively by the 5th electric capacity,
The other end of the 3rd resistor is connected with one end, one end of the 6th resistance and second source of first electric capacity respectively, institute
The other end for stating the 4th resistance is connected with the other end of first electric capacity and the grid of the first metal-oxide-semiconductor respectively, the first MOS
The source electrode of pipe is connected with the other end of the 6th resistance, first metal-oxide-semiconductor drain electrode respectively with second electric capacity one
End and the connection of the 3rd power supply, the other end of second electric capacity are connected with the grid of first metal-oxide-semiconductor；
The grid of second metal-oxide-semiconductor is connected with one end of the 4th resistance and one end of the 3rd electric capacity respectively, and described second
The source electrode of metal-oxide-semiconductor is connected with the other end and the 4th power supply of the 3rd electric capacity respectively, the drain electrode of second metal-oxide-semiconductor respectively with
One end connection of 5th power supply and the 4th electric capacity, the other end of the 4th electric capacity connects with the grid of second metal-oxide-semiconductor
Connect.
2. dual power supply distribution box according to claim 1, it is characterised in that the drive circuit also includes the 7th resistance,
One end of 7th resistance is connected with the other end of the 4th resistance, the other end and described first of the 7th resistance
The grid connection of metal-oxide-semiconductor.
3. dual power supply distribution box according to claim 2, it is characterised in that the drive circuit also includes the 8th resistance,
One end of 8th resistance is connected with the drain electrode of first metal-oxide-semiconductor, the other end of the 8th resistance and the described second electricity
One end connection of appearance.
4. the dual power supply distribution box according to claims 1 to 3 any one, it is characterised in that the drive circuit is also wrapped
The 9th resistance is included, one end of the 9th resistance is connected with the 4th power supply, the other end of the 9th resistance and described the
The source electrode connection of two metal-oxide-semiconductors.
5. the dual power supply distribution box according to claims 1 to 3 any one, it is characterised in that the drive circuit is also wrapped
Include the tenth resistance, one end of the tenth resistance is connected with one end of the 3rd electric capacity, the other end of the tenth resistance with
The grid connection of second metal-oxide-semiconductor.
6. the dual power supply distribution box according to claims 1 to 3 any one, it is characterised in that first triode is
NPN type triode, first metal-oxide-semiconductor and the second metal-oxide-semiconductor are P-channel metal-oxide-semiconductor.
7. dual power supply distribution box according to claim 6, it is characterised in that the wireless data transfer module is bluetooth mould
Block, WIFI module, GPRS module, CDMA module or Zigbee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282900.9U CN206611054U (en) | 2017-03-22 | 2017-03-22 | Dual power supply distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282900.9U CN206611054U (en) | 2017-03-22 | 2017-03-22 | Dual power supply distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206611054U true CN206611054U (en) | 2017-11-03 |
Family
ID=60166737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720282900.9U Expired - Fee Related CN206611054U (en) | 2017-03-22 | 2017-03-22 | Dual power supply distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206611054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10720781B2 (en) | 2017-10-16 | 2020-07-21 | Ardent Edge, LLC | Switching protection system |
-
2017
- 2017-03-22 CN CN201720282900.9U patent/CN206611054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10720781B2 (en) | 2017-10-16 | 2020-07-21 | Ardent Edge, LLC | Switching protection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206611054U (en) | Dual power supply distribution box | |
| CN206878459U (en) | A kind of electric-power metering comprehensive protection device | |
| CN202616544U (en) | Terminal PC (personal computer) multifunctional lightning protection socket | |
| CN206585233U (en) | A kind of bank monitoring centralized intelligence distribution box | |
| CN206237118U (en) | With accurate overcurrent-overvoltage and under-voltage protection circuit | |
| CN203931986U (en) | With the circuit breaker of overvoltage/undervoltage protection and auto-reset function | |
| CN203850642U (en) | Five-prevention simulation screen with series switching special logic system | |
| CN206611183U (en) | Low-voltage reactive compensator | |
| CN207200251U (en) | A kind of power distribution network self-powered protective relaying device | |
| CN206623690U (en) | A kind of electric automobile high-voltage power distribution circuit | |
| CN206697023U (en) | One kind is used for fire alarm control unit bus grounded inspection circuit | |
| CN205063934U (en) | Oil well logging dual system auto -change over device | |
| CN204243482U (en) | The quick distribution box of Multifunctional mobile | |
| CN205081318U (en) | Intelligence power dish | |
| CN204760753U (en) | Low -voltage equipment debugs case | |
| CN206611088U (en) | high voltage/low voltage preassembled transformer station | |
| CN205015677U (en) | Modularization multi -media classroom equipment control system based on network | |
| CN204205612U (en) | For the Powerless compensation control box of double power-supply system | |
| CN204241550U (en) | A kind of neutral line current apparatus for warning overload | |
| CN207976834U (en) | A kind of novel computer power supply | |
| CN205081374U (en) | Split type colliery is with protection device of low tension switchgear | |
| CN203630244U (en) | Three-level earth leakage protection simulation experiment device | |
| CN205753392U (en) | The lightning protection circuit of appliance switch power supply | |
| CN209329734U (en) | A kind of single lithium battery protection IC increases the circuit of temperature detection defencive function | |
| CN206023198U (en) | A kind of lightning protection device of high voltage supply circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |